Finding the Fourth Proportional to 912,852.92, 1,259,431.08 and 525,660.02
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Solution
The fourth proportional to 912,852.92, 1,259,431.08 and 525,660.02 is: 725,234.65
Step by Step Solution
- Step 1: Write the proportion equation
912,852.92 : 1,259,431.08 = 525,660.02 : x - Step 2: Convert to fraction form
912,852.92/1,259,431.08 = 525,660.02/x - Step 3: Cross multiply
912,852.92x = 1,259,431.08 × 525,660.02 - Step 4: Simplify right side
912,852.92x = 662,032,566,701.42 - Step 5: Solve for x
x = 662,032,566,701.42/912,852.92 - Step 6: Final answer
x = 725,234.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.